131617980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18749}}^1$

素因数の和:18780

約数の個数: 96

約数和(自身を含む): 441000000

約数和(自身を除く): 309382020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 18749, 37498, 56247, 74996, 93745, 112494, 168741, 187490, 224988, 243737, 281235, 337482, 374980, 487474, 506223, 562470, 674964, 731211, 843705, 974948, 1012446, 1124940, 1218685, 1462422, 1687410, 2024892, 2193633, 2437370, 2531115, 2924844, 3374820, 3656055, 4387266, 4874740, 5062230, 6580899, 7312110, 8774532, 10124460, 10968165, 13161798, 14624220, 21936330, 26323596, 32904495, 43872660, 65808990, 131617980]

約数ペア:

[(1, 131617980), (2, 65808990), (3, 43872660), (4, 32904495), (5, 26323596), (6, 21936330), (9, 14624220), (10, 13161798), (12, 10968165), (13, 10124460), (15, 8774532), (18, 7312110), (20, 6580899), (26, 5062230), (27, 4874740), (30, 4387266), (36, 3656055), (39, 3374820), (45, 2924844), (52, 2531115), (54, 2437370), (60, 2193633), (65, 2024892), (78, 1687410), (90, 1462422), (108, 1218685), (117, 1124940), (130, 1012446), (135, 974948), (156, 843705), (180, 731211), (195, 674964), (234, 562470), (260, 506223), (270, 487474), (351, 374980), (390, 337482), (468, 281235), (540, 243737), (585, 224988), (702, 187490), (780, 168741), (1170, 112494), (1404, 93745), (1755, 74996), (2340, 56247), (3510, 37498), (7020, 18749)]